Plastic panel
US11248377B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Feb 22, 2021 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Feb 22, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B5/0012
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plastic panel includes a middle portion. Two opposing sides of the middle portion are defined as a first engaging portion and a second engaging portion, respectively. Each engaging portion has a concave portion, a convex portion, a protruding portion and a recess portion. Two adjacent plastic panels can be firmly connected through their concave portions, convex portions, protruding portions and recess portions. Besides, two adjacent plastic panels facing up or facing down can be engaged and connected with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.